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#include <Windows.h>
#include <TlHelp32.h>
#include <filesystem>
#include <sstream>
#include <iostream>
#include <fstream>
namespace fs = std::filesystem;
DWORD GetProcessByName(std::wstring processName)
{
HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
PROCESSENTRY32 processSnapshotEntry = { 0 };
processSnapshotEntry.dwSize = sizeof(PROCESSENTRY32);
if (snapshot == INVALID_HANDLE_VALUE)
return 0;
if (!Process32First(snapshot, &processSnapshotEntry))
return 0;
while (Process32Next(snapshot, &processSnapshotEntry))
{
if (!wcscmp(processSnapshotEntry.szExeFile, processName.c_str()))
{
CloseHandle(snapshot);
return processSnapshotEntry.th32ProcessID;
}
}
CloseHandle(snapshot);
return 0;
}
#define PROCESS_NAME L"Titanfall2-unpacked.exe"
#define DLL_NAME L"Northstar.dll"
int main(int argc, char* argv[]) {
if (!fs::exists(PROCESS_NAME))
{
MessageBoxA(0, "Titanfall2-unpacked.exe not found! Please launch from your titanfall 2 directory and ensure you have Northstar installed correctly!", "", MB_OK);
return 1;
}
if (!fs::exists(DLL_NAME))
{
MessageBoxA(0, "Northstar.dll not found! Please launch from your titanfall 2 directory and ensure you have Northstar installed correctly!", "", MB_OK);
return 1;
}
bool isdedi = false;
for (int i = 0; i < argc; i++)
if (!strcmp(argv[i], "-dedicated"))
isdedi = true;
if (!GetProcessByName(L"Origin.exe") && !isdedi)
{
// unpacked exe will crash if origin isn't open on launch, so launch it
// get origin path from registry, code here is reversed from OriginSDK.dll
HKEY key;
if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, "SOFTWARE\\WOW6432Node\\Origin", 0, KEY_READ, &key) != ERROR_SUCCESS)
{
MessageBoxA(0, "Error: failed reading origin path!", "", MB_OK);
return 1;
}
char originPath[520];
DWORD originPathLength = 520;
if (RegQueryValueExA(key, "ClientPath", 0, 0, (LPBYTE)&originPath, &originPathLength) != ERROR_SUCCESS)
{
MessageBoxA(0, "Error: failed reading origin path!", "", MB_OK);
return 1;
}
PROCESS_INFORMATION pi;
memset(&pi, 0, sizeof(pi));
STARTUPINFO si;
memset(&si, 0, sizeof(si));
CreateProcessA(originPath, (LPSTR)"", NULL, NULL, false, CREATE_DEFAULT_ERROR_MODE | CREATE_NEW_PROCESS_GROUP, NULL, NULL, (LPSTARTUPINFOA)&si, &pi);
// wait for origin to be ready, this process is created when origin is ready enough to launch game without any errors
while (!GetProcessByName(L"OriginClientService.exe"))
Sleep(200);
}
// get cmdline args from file
std::wstring args;
std::ifstream cmdlineArgFile;
if (!isdedi)
cmdlineArgFile = std::ifstream("ns_startup_args.txt");
else
cmdlineArgFile = std::ifstream("ns_startup_args_dedi.txt");
if (cmdlineArgFile)
{
std::stringstream argBuffer;
argBuffer << cmdlineArgFile.rdbuf();
cmdlineArgFile.close();
std::string str = argBuffer.str();
args.append(std::wstring(str.begin(), str.end()));
}
if (isdedi)
// copy -dedicated into args if we have it in commandline args
args.append(L" -dedicated");
STARTUPINFO startupInfo;
PROCESS_INFORMATION processInfo;
memset(&startupInfo, 0, sizeof(startupInfo));
memset(&processInfo, 0, sizeof(processInfo));
CreateProcessW(PROCESS_NAME, (LPWSTR)args.c_str(), NULL, NULL, FALSE, CREATE_SUSPENDED, NULL, NULL, &startupInfo, &processInfo);
HMODULE hKernel32 = GetModuleHandleW(L"kernel32.dll");
LPTHREAD_START_ROUTINE pLoadLibraryW = (LPTHREAD_START_ROUTINE)GetProcAddress(hKernel32, "LoadLibraryW");
SIZE_T dwLength = (wcslen(DLL_NAME) + 1) * 2;
LPVOID lpLibName = VirtualAllocEx(processInfo.hProcess, NULL, dwLength, MEM_COMMIT, PAGE_READWRITE);
SIZE_T written = 0;
WriteProcessMemory(processInfo.hProcess, lpLibName, DLL_NAME, dwLength, &written);
HANDLE hThread = CreateRemoteThread(processInfo.hProcess, NULL, NULL, pLoadLibraryW, lpLibName, NULL, NULL);
WaitForSingleObject(hThread, INFINITE);
MessageBoxA(0, std::to_string(GetLastError()).c_str(), "", MB_OK);
CloseHandle(hThread);
ResumeThread(processInfo.hThread);
VirtualFreeEx(processInfo.hProcess, lpLibName, dwLength, MEM_RELEASE);
CloseHandle(processInfo.hProcess);
CloseHandle(processInfo.hThread);
return 0;
}
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